<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div:before{
				content: 'To have,To Do';
				color: yellow;
			}
			div:after{
				content: '教育改变生活';
				color: red;
			}
		</style>
	</head>
	<body>
		<div>
			We change lives
		</div>
	</body>
</html>
